| 温度对S32304双相不锈钢在工业磷酸中腐蚀的影响 |
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| 引用本文： | 吴领,谢发勤,姚小飞,向嵩.温度对S32304双相不锈钢在工业磷酸中腐蚀的影响[J].腐蚀与防护,2012(7):545-547,600. |
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| 作者姓名： | 吴领 谢发勤 姚小飞 向嵩 |
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| 作者单位： | 西北工业大学航空学院;贵州大学材料与冶金学院 |
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| 基金项目： | 贵州省社会发展攻关项目(黔科合SY字20113099);贵州省工业攻关项目(黔科合GZ字20103016) |
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| 摘 要： | 采用实验室模拟浸泡试验,通过失重法、扫描电镜(SEM)和能谱(EDS)等分析手段,对S32304双相不锈钢在不同温度85%工业磷酸溶液中的腐蚀行为进行了研究,确定了其电化学特性、腐蚀速率、腐蚀形貌和腐蚀产物。结果表明,S32304在温度低于85℃的85%工业磷酸中具有较好的抗腐蚀性能,虽然随温度的升高,腐蚀有所加重;当温度高于55℃时,其抗腐蚀性能降低尤为明显。
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| 关 键 词： | S32304双相不锈钢 工业磷酸 腐蚀 温度 |
Effect of Temperature on Corrosion Performance of S32304 Duplex Stainless Steel in Industrial Phosphoric Acid Solution |
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| WU Ling,XIE Fa-qin,YAO Xiao-fei,XIANG Song.Effect of Temperature on Corrosion Performance of S32304 Duplex Stainless Steel in Industrial Phosphoric Acid Solution[J].Corrosion & Protection,2012(7):545-547,600. |
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| Authors: | WU Ling XIE Fa-qin YAO Xiao-fei XIANG Song |
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| Affiliation: | 1.Aeronautics College,Northwestern Polytechnic University,Xi′an 710072,China; 2.The Materials and Metallurgical College,Guizhou University,Guiyang 550003,China) |
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| Abstract: | Using immersion test with weight-loss method,EDS and SEM to analyze the electrochemical properties,corrosion rate,corrosion morphology and corrosion products.The corrosion behavior of S32304 duplex stainless steel in 85% industrial phosphoric acid solution was studied at different temperatures.The results show that S32304 duplex stainless steel possessed a good resistance to corrosion in 85% industrial phosphoric acid solution at temperatures below 85 ℃,the corrosion increasesed with the increase of temperature in the temperatures range.The corrosion performance got worse obviously at temperatures above 55 ℃. |
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| Keywords: | S32304 duplex stainless steel industrial phosphoric acid solution corrosion temperature |
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